This installation guide for BMW F series NBT iDrive share by my reader from BMW F30 forum.I rewrite it here,hope it helps!And if you want to do this job,try it at your own risk!!! And here it E series article:BMW E90 NBT EVO Retrofit Guide
What you Need?
Trim Removal Tool
Plyers
Torx Screw Drivers
Phillips & Flat head screw drivers
ENET cable with E-sys & PSdZData
1.Remove the center trim piece.
2.Unscrew the 6.5? LCD Display with a phillips screw driver and fixate the 8.8? LCD display. Remove the aircon control panel with a torx screw driver.
3.Unscrew the surrounding torx screws around the CIC head unit and extract from the console.
4.Disconnect all the wiring and connection from CIC Head Unit.
5.Once the head unit is removed, feed the magenta LCD cable through the air vents to the bottom of the console.
6.Remove iDrive Trim and connect the touch input module.
7.Disconnect CIC iDrive Controller cable.
8.Unlock CIC iDrive cable housing.
9.Eject two pins from housing.
10.Wrap the pins with electrical tape.
11.Feed cable through inner console.
12.Feed cable through this point in the console.
13.Wrap the NBT iDrive Pins in Electrical cable and feed it to the trim sidewall of the drivers seat.
14.Once the cable is fed through, tuck the remaining cables into the side wall.
15.Connect the cable to iDrive Controller housing and wrap the other in electrical tape.
16.Replace CIC Controller with a NBT touch controller by unscrewing the rear torx screws. Connect turquoise cable to newly modified iDrive cable.
17.Open the center console, remove the USB Trim by wedging a trim removal tool between the gaps.
18.Pull firmly to remove the trim and disconnect the cable.
19.Follow the same process and feed the khaki cable through the driver side trim and into the center console.
20.Connect the khaki cable to USB Connection trim and the other end of the modified iDrive cable.
21.Cable tie the old cable & slot back into place.
22.Feed the bluetooth handsfree cable towards the other end of the dash.
23.Remove the plastic cap on the side of the dash and feed bluetooth cable through.
24.Remove door seals.
25.Feed bluetooth microphone cable between side trim.
26.Now feed cable upwards to the headliner between the airbag.
27.Remove Bluetooth microphone cover from headliner.
28.Disconnect microphone from existing cable and plugin new microphone cable.
29.Connect all the cables according to their colour on their NBT head unit.
30 .**WARNING**
This may or may not be applicable to you. Proceed at your own risk ! Since I didn